title: AHA: Severe obesity in US youth is increasing and difficult to treat.
authors.forename: Mike
authors.initials: M
authors.lastname: Mitka
mesh_terms: D000293:Adolescent; D006801:Humans; D009767:Obesity, Morbid / Q000453:epidemiology* / Q000628:therapy; D014481:United States / Q000453:epidemiology